4520537445 has 16 divisors (see below), whose sum is σ = 7272824832. Its totient is φ = 2397631680.

The previous prime is 4520537423. The next prime is 4520537471. The reversal of 4520537445 is 5447350254.

It is not a de Polignac number, because 4520537445 - 2⁶ = 4520537381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829797 + ... + 835226.

It is an arithmetic number, because the mean of its divisors is an integer number (454551552).

Almost surely, 2^4520537445 is an apocalyptic number.

It is an amenable number.

4520537445 is a deficient number, since it is larger than the sum of its proper divisors (2752287387).

4520537445 is a wasteful number, since it uses less digits than its factorization.

4520537445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665212.

The product of its (nonzero) digits is 336000, while the sum is 39.

The square root of 4520537445 is about 67234.9421432041. The cubic root of 4520537445 is about 1653.4714113521.

Adding to 4520537445 its reverse (5447350254), we get a palindrome (9967887699).

The spelling of 4520537445 in words is "four billion, five hundred twenty million, five hundred thirty-seven thousand, four hundred forty-five".